Level.



H. A. SGHATZ.

LEVEL. APPLICATION FILED JUNE 26,1906.

922,960. Patented May 25, 1909.

TIT TATIZE ATNT @FFIQE.

HERRMAN A. SOHATZ, OF OHAPPAQ'UA, NEW YORK, ASSIGNOR TO HIMSELF AND JOHN WILLIAM SOHATZ, OF GI-IAPPAQUA, NEW YORK.

LEVEL.

Specification of Letters Patent.

Application filed June 26, 1906.

Patented May 25, 1909.

Serial No. 323,523.

T 0 all whom it may concern:

Be it known that I, HERRMAN A. SOHATZ, of the town of Chappaqua, county of Westchester, State of New York, have invented new and useful Improvements in Levels, of which the following is a full, clear, and exact description when taken in connection with the accompanying drawings, which form a part thereof, and in which Figure 1 represents a front elevation ofa level embodying the invention, Fig. 2, a similar view, the level being shown attached to a block and placed at an angle, Fig. 3, a side elevation of the level, Fig. 4, a transverse central section of the same, and Fig. 5, a detail view of the pointer.

In all figures, similar letters of reference represent like parts.

This invention relates to levels, and more particularly to that class of levels in which the vertical plane is determined by a weighted lever, having a pointer for indicating on a graduated scale the angle of elevation.

The invention has for its object the production of a simple, efficient level of this class, formed of few parts, easily assembled, eflicient in operation, and adjustable to varied needs.

To these ends, the invention consists of a level having the various improvements and combinations of parts set forth and claimed hereinafter.

Referring to the drawings for a more particular description, the parts designated by the letter A represent a fiat upright plate forming the body of the level, the upper end of which is substantially semi-circular, and is provided with a graduated scale B. The scale is herein shown with the zero mark at the top of the plate A, and the arc graduated to 90 on either side.

C designates an adjustable marker, consisting of a U-shaped piece of metal which (as more particularly shown in Fig. 3) is adapted to fit over the edge of the plate A, so that one part which is provided with an apex or point D projects downward on the front of the plate A, while the other part is provided with a screw E adapted to bear on the rear of the plate A and hold the marker in place.

By means of the screw E the marker can be adjusted to any desired position on the edge of plate A.

On the frontof the plate A is an angular bracket F, adapted to be secured at its ends to the lower part of the plate A by screws T, or other suitable means. The bracket F is stepped, so that its apex G is removed from the plate A a distance, and at the apex the metal is formed up (as more particularly shown in Fig. 4) to form a nipple or seat Q for the screw H.

I designates the pointer or indicator, which, as shown in the drawings, is provided at its upper end with an arrow head J, and at its lower end with a weight K. The pointer I is provided with a shaft L terminating in two conical ends or journal centers, which shaft projects through and is rigidly connected with the pointer I by nuts R, or other means. One of the ends of the shaft is journaled in the plate A, and the other in the end of the screw H.

In the plate A are a plurality of circular perforations M from which on the upper side project slots N. The plate A may be secured to a block 0 by means of screws S taking into the perforations M and sliding into the slots N in well known manner. By means of this construction, a block of any desired length may be used for determining the plane of any article, while the plate A is readily attached to or detached from it. The level may be used without the block, as the lower edge P is intended to be horizontal when the pointer points toward the zero mark of the graduated scale.

By screwing up the screw H, the pointer I may be held in any desired position, as the screw will bind on the shaft L of the pointer I, and by adjusting the indicator C, the position of the pointer I on the graduated scale B may be retained. In ordinary use, the indicator C would be placed at the zero point, so that it may be readily seen when the pointer is in alinement therewith, and a horizontal plane obtained.

The parts of the level are easily assembled or detached by the screws T which hold the bracket to the plate A.

Having now described my invention, what I claim and desire to secure by Letters Patent, is

In a level, the combination with a fiatv plate having a straight edge and a semi-circular edge opposite said straight edge; an

In Witness whereof, I have hereunto set my hand on the 9th day of June, 1906.

H. A. SCHATZ.

angularly shaped bracket Whose free ends are secured Within the angles formed by said straight edge and the sides of the plate and Whose apex is over the center of the arc of 5 said semi-circular edge; and a Weighted pointer pivotally mounted between said plate and bracket, substantially as described.

W'itnesses:

CHARLOTTE BAILEY, JOHN F. FLINN. 

